1/*******************************************************************************
2 *
3 *  Intel 10 Gigabit PCI Express Linux driver
4 *  Copyright(c) 1999 - 2015 Intel Corporation.
5 *
6 *  This program is free software; you can redistribute it and/or modify it
7 *  under the terms and conditions of the GNU General Public License,
8 *  version 2, as published by the Free Software Foundation.
9 *
10 *  This program is distributed in the hope it will be useful, but WITHOUT
11 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 *  more details.
14 *
15 *  The full GNU General Public License is included in this distribution in
16 *  the file called "COPYING".
17 *
18 *  Contact Information:
19 *  Linux NICS <linux.nics@intel.com>
20 *  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
21 *  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22 *
23 ******************************************************************************/
24#include "ixgbe_x540.h"
25#include "ixgbe_type.h"
26#include "ixgbe_common.h"
27#include "ixgbe_phy.h"
28
29static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw)
30{
31	struct ixgbe_mac_info *mac = &hw->mac;
32	struct ixgbe_phy_info *phy = &hw->phy;
33
34	/* Start with X540 invariants, since so simular */
35	ixgbe_get_invariants_X540(hw);
36
37	if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
38		phy->ops.set_phy_power = NULL;
39
40	return 0;
41}
42
43/** ixgbe_setup_mux_ctl - Setup ESDP register for I2C mux control
44 *  @hw: pointer to hardware structure
45 **/
46static void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw)
47{
48	u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
49
50	if (hw->bus.lan_id) {
51		esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
52		esdp |= IXGBE_ESDP_SDP1_DIR;
53	}
54	esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
55	IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
56	IXGBE_WRITE_FLUSH(hw);
57}
58
59/**
60 * ixgbe_read_cs4227 - Read CS4227 register
61 * @hw: pointer to hardware structure
62 * @reg: register number to write
63 * @value: pointer to receive value read
64 *
65 * Returns status code
66 */
67static s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value)
68{
69	return hw->phy.ops.read_i2c_combined_unlocked(hw, IXGBE_CS4227, reg,
70						      value);
71}
72
73/**
74 * ixgbe_write_cs4227 - Write CS4227 register
75 * @hw: pointer to hardware structure
76 * @reg: register number to write
77 * @value: value to write to register
78 *
79 * Returns status code
80 */
81static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value)
82{
83	return hw->phy.ops.write_i2c_combined_unlocked(hw, IXGBE_CS4227, reg,
84						       value);
85}
86
87/**
88 * ixgbe_check_cs4227_reg - Perform diag on a CS4227 register
89 * @hw: pointer to hardware structure
90 * @reg: the register to check
91 *
92 * Performs a diagnostic on a register in the CS4227 chip. Returns an error
93 * if it is not operating correctly.
94 * This function assumes that the caller has acquired the proper semaphore.
95 */
96static s32 ixgbe_check_cs4227_reg(struct ixgbe_hw *hw, u16 reg)
97{
98	s32 status;
99	u32 retry;
100	u16 reg_val;
101
102	reg_val = (IXGBE_CS4227_EDC_MODE_DIAG << 1) | 1;
103	status = ixgbe_write_cs4227(hw, reg, reg_val);
104	if (status)
105		return status;
106	for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
107		msleep(IXGBE_CS4227_CHECK_DELAY);
108		reg_val = 0xFFFF;
109		ixgbe_read_cs4227(hw, reg, &reg_val);
110		if (!reg_val)
111			break;
112	}
113	if (reg_val) {
114		hw_err(hw, "CS4227 reg 0x%04X failed diagnostic\n", reg);
115		return status;
116	}
117
118	return 0;
119}
120
121/**
122 * ixgbe_get_cs4227_status - Return CS4227 status
123 * @hw: pointer to hardware structure
124 *
125 * Performs a diagnostic on the CS4227 chip. Returns an error if it is
126 * not operating correctly.
127 * This function assumes that the caller has acquired the proper semaphore.
128 */
129static s32 ixgbe_get_cs4227_status(struct ixgbe_hw *hw)
130{
131	s32 status;
132	u16 value = 0;
133
134	/* Exit if the diagnostic has already been performed. */
135	status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
136	if (status)
137		return status;
138	if (value == IXGBE_CS4227_RESET_COMPLETE)
139		return 0;
140
141	/* Check port 0. */
142	status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB);
143	if (status)
144		return status;
145
146	status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB);
147	if (status)
148		return status;
149
150	/* Check port 1. */
151	status = ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_LINE_SPARE24_LSB +
152					(1 << 12));
153	if (status)
154		return status;
155
156	return ixgbe_check_cs4227_reg(hw, IXGBE_CS4227_HOST_SPARE24_LSB +
157				      (1 << 12));
158}
159
160/**
161 * ixgbe_read_pe - Read register from port expander
162 * @hw: pointer to hardware structure
163 * @reg: register number to read
164 * @value: pointer to receive read value
165 *
166 * Returns status code
167 */
168static s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value)
169{
170	s32 status;
171
172	status = ixgbe_read_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE, value);
173	if (status)
174		hw_err(hw, "port expander access failed with %d\n", status);
175	return status;
176}
177
178/**
179 * ixgbe_write_pe - Write register to port expander
180 * @hw: pointer to hardware structure
181 * @reg: register number to write
182 * @value: value to write
183 *
184 * Returns status code
185 */
186static s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value)
187{
188	s32 status;
189
190	status = ixgbe_write_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE,
191						       value);
192	if (status)
193		hw_err(hw, "port expander access failed with %d\n", status);
194	return status;
195}
196
197/**
198 * ixgbe_reset_cs4227 - Reset CS4227 using port expander
199 * @hw: pointer to hardware structure
200 *
201 * This function assumes that the caller has acquired the proper semaphore.
202 * Returns error code
203 */
204static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
205{
206	s32 status;
207	u32 retry;
208	u16 value;
209	u8 reg;
210
211	/* Trigger hard reset. */
212	status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, &reg);
213	if (status)
214		return status;
215	reg |= IXGBE_PE_BIT1;
216	status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
217	if (status)
218		return status;
219
220	status = ixgbe_read_pe(hw, IXGBE_PE_CONFIG, &reg);
221	if (status)
222		return status;
223	reg &= ~IXGBE_PE_BIT1;
224	status = ixgbe_write_pe(hw, IXGBE_PE_CONFIG, reg);
225	if (status)
226		return status;
227
228	status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, &reg);
229	if (status)
230		return status;
231	reg &= ~IXGBE_PE_BIT1;
232	status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
233	if (status)
234		return status;
235
236	usleep_range(IXGBE_CS4227_RESET_HOLD, IXGBE_CS4227_RESET_HOLD + 100);
237
238	status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, &reg);
239	if (status)
240		return status;
241	reg |= IXGBE_PE_BIT1;
242	status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
243	if (status)
244		return status;
245
246	/* Wait for the reset to complete. */
247	msleep(IXGBE_CS4227_RESET_DELAY);
248	for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
249		status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EFUSE_STATUS,
250					   &value);
251		if (!status && value == IXGBE_CS4227_EEPROM_LOAD_OK)
252			break;
253		msleep(IXGBE_CS4227_CHECK_DELAY);
254	}
255	if (retry == IXGBE_CS4227_RETRIES) {
256		hw_err(hw, "CS4227 reset did not complete\n");
257		return IXGBE_ERR_PHY;
258	}
259
260	status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
261	if (status || !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
262		hw_err(hw, "CS4227 EEPROM did not load successfully\n");
263		return IXGBE_ERR_PHY;
264	}
265
266	return 0;
267}
268
269/**
270 * ixgbe_check_cs4227 - Check CS4227 and reset as needed
271 * @hw: pointer to hardware structure
272 */
273static void ixgbe_check_cs4227(struct ixgbe_hw *hw)
274{
275	u32 swfw_mask = hw->phy.phy_semaphore_mask;
276	s32 status;
277	u16 value;
278	u8 retry;
279
280	for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
281		status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
282		if (status) {
283			hw_err(hw, "semaphore failed with %d\n", status);
284			msleep(IXGBE_CS4227_CHECK_DELAY);
285			continue;
286		}
287
288		/* Get status of reset flow. */
289		status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
290		if (!status && value == IXGBE_CS4227_RESET_COMPLETE)
291			goto out;
292
293		if (status || value != IXGBE_CS4227_RESET_PENDING)
294			break;
295
296		/* Reset is pending. Wait and check again. */
297		hw->mac.ops.release_swfw_sync(hw, swfw_mask);
298		msleep(IXGBE_CS4227_CHECK_DELAY);
299	}
300	/* If still pending, assume other instance failed. */
301	if (retry == IXGBE_CS4227_RETRIES) {
302		status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
303		if (status) {
304			hw_err(hw, "semaphore failed with %d\n", status);
305			return;
306		}
307	}
308
309	/* Reset the CS4227. */
310	status = ixgbe_reset_cs4227(hw);
311	if (status) {
312		hw_err(hw, "CS4227 reset failed: %d", status);
313		goto out;
314	}
315
316	/* Reset takes so long, temporarily release semaphore in case the
317	 * other driver instance is waiting for the reset indication.
318	 */
319	ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
320			   IXGBE_CS4227_RESET_PENDING);
321	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
322	usleep_range(10000, 12000);
323	status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
324	if (status) {
325		hw_err(hw, "semaphore failed with %d", status);
326		return;
327	}
328
329	/* Is the CS4227 working correctly? */
330	status = ixgbe_get_cs4227_status(hw);
331	if (status) {
332		hw_err(hw, "CS4227 status failed: %d", status);
333		goto out;
334	}
335
336	/* Record completion for next time. */
337	status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
338				    IXGBE_CS4227_RESET_COMPLETE);
339
340out:
341	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
342	msleep(hw->eeprom.semaphore_delay);
343}
344
345/** ixgbe_identify_phy_x550em - Get PHY type based on device id
346 *  @hw: pointer to hardware structure
347 *
348 *  Returns error code
349 */
350static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
351{
352	switch (hw->device_id) {
353	case IXGBE_DEV_ID_X550EM_X_SFP:
354		/* set up for CS4227 usage */
355		hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
356		ixgbe_setup_mux_ctl(hw);
357		ixgbe_check_cs4227(hw);
358		return ixgbe_identify_module_generic(hw);
359	case IXGBE_DEV_ID_X550EM_X_KX4:
360		hw->phy.type = ixgbe_phy_x550em_kx4;
361		break;
362	case IXGBE_DEV_ID_X550EM_X_KR:
363		hw->phy.type = ixgbe_phy_x550em_kr;
364		break;
365	case IXGBE_DEV_ID_X550EM_X_1G_T:
366	case IXGBE_DEV_ID_X550EM_X_10G_T:
367		return ixgbe_identify_phy_generic(hw);
368	default:
369		break;
370	}
371	return 0;
372}
373
374static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
375				     u32 device_type, u16 *phy_data)
376{
377	return IXGBE_NOT_IMPLEMENTED;
378}
379
380static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
381				      u32 device_type, u16 phy_data)
382{
383	return IXGBE_NOT_IMPLEMENTED;
384}
385
386/** ixgbe_init_eeprom_params_X550 - Initialize EEPROM params
387 *  @hw: pointer to hardware structure
388 *
389 *  Initializes the EEPROM parameters ixgbe_eeprom_info within the
390 *  ixgbe_hw struct in order to set up EEPROM access.
391 **/
392static s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
393{
394	struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
395	u32 eec;
396	u16 eeprom_size;
397
398	if (eeprom->type == ixgbe_eeprom_uninitialized) {
399		eeprom->semaphore_delay = 10;
400		eeprom->type = ixgbe_flash;
401
402		eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
403		eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
404				    IXGBE_EEC_SIZE_SHIFT);
405		eeprom->word_size = 1 << (eeprom_size +
406					  IXGBE_EEPROM_WORD_SIZE_SHIFT);
407
408		hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
409		       eeprom->type, eeprom->word_size);
410	}
411
412	return 0;
413}
414
415/**
416 * ixgbe_iosf_wait - Wait for IOSF command completion
417 * @hw: pointer to hardware structure
418 * @ctrl: pointer to location to receive final IOSF control value
419 *
420 * Return: failing status on timeout
421 *
422 * Note: ctrl can be NULL if the IOSF control register value is not needed
423 */
424static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
425{
426	u32 i, command;
427
428	/* Check every 10 usec to see if the address cycle completed.
429	 * The SB IOSF BUSY bit will clear when the operation is
430	 * complete.
431	 */
432	for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
433		command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
434		if (!(command & IXGBE_SB_IOSF_CTRL_BUSY))
435			break;
436		usleep_range(10, 20);
437	}
438	if (ctrl)
439		*ctrl = command;
440	if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
441		hw_dbg(hw, "IOSF wait timed out\n");
442		return IXGBE_ERR_PHY;
443	}
444
445	return 0;
446}
447
448/** ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the
449 *  IOSF device
450 *  @hw: pointer to hardware structure
451 *  @reg_addr: 32 bit PHY register to write
452 *  @device_type: 3 bit device type
453 *  @phy_data: Pointer to read data from the register
454 **/
455static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
456				       u32 device_type, u32 *data)
457{
458	u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
459	u32 command, error;
460	s32 ret;
461
462	ret = hw->mac.ops.acquire_swfw_sync(hw, gssr);
463	if (ret)
464		return ret;
465
466	ret = ixgbe_iosf_wait(hw, NULL);
467	if (ret)
468		goto out;
469
470	command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
471		   (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
472
473	/* Write IOSF control register */
474	IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
475
476	ret = ixgbe_iosf_wait(hw, &command);
477
478	if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
479		error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
480			 IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
481		hw_dbg(hw, "Failed to read, error %x\n", error);
482		return IXGBE_ERR_PHY;
483	}
484
485	if (!ret)
486		*data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
487
488out:
489	hw->mac.ops.release_swfw_sync(hw, gssr);
490	return ret;
491}
492
493/** ixgbe_read_ee_hostif_data_X550 - Read EEPROM word using a host interface
494 *  command assuming that the semaphore is already obtained.
495 *  @hw: pointer to hardware structure
496 *  @offset: offset of  word in the EEPROM to read
497 *  @data: word read from the EEPROM
498 *
499 *  Reads a 16 bit word from the EEPROM using the hostif.
500 **/
501static s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
502					  u16 *data)
503{
504	s32 status;
505	struct ixgbe_hic_read_shadow_ram buffer;
506
507	buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
508	buffer.hdr.req.buf_lenh = 0;
509	buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
510	buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
511
512	/* convert offset from words to bytes */
513	buffer.address = cpu_to_be32(offset * 2);
514	/* one word */
515	buffer.length = cpu_to_be16(sizeof(u16));
516
517	status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
518					      sizeof(buffer),
519					      IXGBE_HI_COMMAND_TIMEOUT, false);
520	if (status)
521		return status;
522
523	*data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
524					  FW_NVM_DATA_OFFSET);
525
526	return 0;
527}
528
529/** ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif
530 *  @hw: pointer to hardware structure
531 *  @offset: offset of  word in the EEPROM to read
532 *  @words: number of words
533 *  @data: word(s) read from the EEPROM
534 *
535 *  Reads a 16 bit word(s) from the EEPROM using the hostif.
536 **/
537static s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
538					    u16 offset, u16 words, u16 *data)
539{
540	struct ixgbe_hic_read_shadow_ram buffer;
541	u32 current_word = 0;
542	u16 words_to_read;
543	s32 status;
544	u32 i;
545
546	/* Take semaphore for the entire operation. */
547	status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
548	if (status) {
549		hw_dbg(hw, "EEPROM read buffer - semaphore failed\n");
550		return status;
551	}
552
553	while (words) {
554		if (words > FW_MAX_READ_BUFFER_SIZE / 2)
555			words_to_read = FW_MAX_READ_BUFFER_SIZE / 2;
556		else
557			words_to_read = words;
558
559		buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
560		buffer.hdr.req.buf_lenh = 0;
561		buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
562		buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
563
564		/* convert offset from words to bytes */
565		buffer.address = cpu_to_be32((offset + current_word) * 2);
566		buffer.length = cpu_to_be16(words_to_read * 2);
567
568		status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
569						      sizeof(buffer),
570						      IXGBE_HI_COMMAND_TIMEOUT,
571						      false);
572		if (status) {
573			hw_dbg(hw, "Host interface command failed\n");
574			goto out;
575		}
576
577		for (i = 0; i < words_to_read; i++) {
578			u32 reg = IXGBE_FLEX_MNG + (FW_NVM_DATA_OFFSET << 2) +
579				  2 * i;
580			u32 value = IXGBE_READ_REG(hw, reg);
581
582			data[current_word] = (u16)(value & 0xffff);
583			current_word++;
584			i++;
585			if (i < words_to_read) {
586				value >>= 16;
587				data[current_word] = (u16)(value & 0xffff);
588				current_word++;
589			}
590		}
591		words -= words_to_read;
592	}
593
594out:
595	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
596	return status;
597}
598
599/** ixgbe_checksum_ptr_x550 - Checksum one pointer region
600 *  @hw: pointer to hardware structure
601 *  @ptr: pointer offset in eeprom
602 *  @size: size of section pointed by ptr, if 0 first word will be used as size
603 *  @csum: address of checksum to update
604 *
605 *  Returns error status for any failure
606 **/
607static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
608				   u16 size, u16 *csum, u16 *buffer,
609				   u32 buffer_size)
610{
611	u16 buf[256];
612	s32 status;
613	u16 length, bufsz, i, start;
614	u16 *local_buffer;
615
616	bufsz = sizeof(buf) / sizeof(buf[0]);
617
618	/* Read a chunk at the pointer location */
619	if (!buffer) {
620		status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf);
621		if (status) {
622			hw_dbg(hw, "Failed to read EEPROM image\n");
623			return status;
624		}
625		local_buffer = buf;
626	} else {
627		if (buffer_size < ptr)
628			return  IXGBE_ERR_PARAM;
629		local_buffer = &buffer[ptr];
630	}
631
632	if (size) {
633		start = 0;
634		length = size;
635	} else {
636		start = 1;
637		length = local_buffer[0];
638
639		/* Skip pointer section if length is invalid. */
640		if (length == 0xFFFF || length == 0 ||
641		    (ptr + length) >= hw->eeprom.word_size)
642			return 0;
643	}
644
645	if (buffer && ((u32)start + (u32)length > buffer_size))
646		return IXGBE_ERR_PARAM;
647
648	for (i = start; length; i++, length--) {
649		if (i == bufsz && !buffer) {
650			ptr += bufsz;
651			i = 0;
652			if (length < bufsz)
653				bufsz = length;
654
655			/* Read a chunk at the pointer location */
656			status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr,
657								  bufsz, buf);
658			if (status) {
659				hw_dbg(hw, "Failed to read EEPROM image\n");
660				return status;
661			}
662		}
663		*csum += local_buffer[i];
664	}
665	return 0;
666}
667
668/** ixgbe_calc_checksum_X550 - Calculates and returns the checksum
669 *  @hw: pointer to hardware structure
670 *  @buffer: pointer to buffer containing calculated checksum
671 *  @buffer_size: size of buffer
672 *
673 *  Returns a negative error code on error, or the 16-bit checksum
674 **/
675static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
676				    u32 buffer_size)
677{
678	u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
679	u16 *local_buffer;
680	s32 status;
681	u16 checksum = 0;
682	u16 pointer, i, size;
683
684	hw->eeprom.ops.init_params(hw);
685
686	if (!buffer) {
687		/* Read pointer area */
688		status = ixgbe_read_ee_hostif_buffer_X550(hw, 0,
689						IXGBE_EEPROM_LAST_WORD + 1,
690						eeprom_ptrs);
691		if (status) {
692			hw_dbg(hw, "Failed to read EEPROM image\n");
693			return status;
694		}
695		local_buffer = eeprom_ptrs;
696	} else {
697		if (buffer_size < IXGBE_EEPROM_LAST_WORD)
698			return IXGBE_ERR_PARAM;
699		local_buffer = buffer;
700	}
701
702	/* For X550 hardware include 0x0-0x41 in the checksum, skip the
703	 * checksum word itself
704	 */
705	for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++)
706		if (i != IXGBE_EEPROM_CHECKSUM)
707			checksum += local_buffer[i];
708
709	/* Include all data from pointers 0x3, 0x6-0xE.  This excludes the
710	 * FW, PHY module, and PCIe Expansion/Option ROM pointers.
711	 */
712	for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) {
713		if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
714			continue;
715
716		pointer = local_buffer[i];
717
718		/* Skip pointer section if the pointer is invalid. */
719		if (pointer == 0xFFFF || pointer == 0 ||
720		    pointer >= hw->eeprom.word_size)
721			continue;
722
723		switch (i) {
724		case IXGBE_PCIE_GENERAL_PTR:
725			size = IXGBE_IXGBE_PCIE_GENERAL_SIZE;
726			break;
727		case IXGBE_PCIE_CONFIG0_PTR:
728		case IXGBE_PCIE_CONFIG1_PTR:
729			size = IXGBE_PCIE_CONFIG_SIZE;
730			break;
731		default:
732			size = 0;
733			break;
734		}
735
736		status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum,
737						 buffer, buffer_size);
738		if (status)
739			return status;
740	}
741
742	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
743
744	return (s32)checksum;
745}
746
747/** ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum
748 *  @hw: pointer to hardware structure
749 *
750 *  Returns a negative error code on error, or the 16-bit checksum
751 **/
752static s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
753{
754	return ixgbe_calc_checksum_X550(hw, NULL, 0);
755}
756
757/** ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
758 *  @hw: pointer to hardware structure
759 *  @offset: offset of  word in the EEPROM to read
760 *  @data: word read from the EEPROM
761 *
762 *   Reads a 16 bit word from the EEPROM using the hostif.
763 **/
764static s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
765{
766	s32 status = 0;
767
768	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
769		status = ixgbe_read_ee_hostif_data_X550(hw, offset, data);
770		hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
771	} else {
772		status = IXGBE_ERR_SWFW_SYNC;
773	}
774
775	return status;
776}
777
778/** ixgbe_validate_eeprom_checksum_X550 - Validate EEPROM checksum
779 *  @hw: pointer to hardware structure
780 *  @checksum_val: calculated checksum
781 *
782 *  Performs checksum calculation and validates the EEPROM checksum.  If the
783 *  caller does not need checksum_val, the value can be NULL.
784 **/
785static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
786					       u16 *checksum_val)
787{
788	s32 status;
789	u16 checksum;
790	u16 read_checksum = 0;
791
792	/* Read the first word from the EEPROM. If this times out or fails, do
793	 * not continue or we could be in for a very long wait while every
794	 * EEPROM read fails
795	 */
796	status = hw->eeprom.ops.read(hw, 0, &checksum);
797	if (status) {
798		hw_dbg(hw, "EEPROM read failed\n");
799		return status;
800	}
801
802	status = hw->eeprom.ops.calc_checksum(hw);
803	if (status < 0)
804		return status;
805
806	checksum = (u16)(status & 0xffff);
807
808	status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
809					   &read_checksum);
810	if (status)
811		return status;
812
813	/* Verify read checksum from EEPROM is the same as
814	 * calculated checksum
815	 */
816	if (read_checksum != checksum) {
817		status = IXGBE_ERR_EEPROM_CHECKSUM;
818		hw_dbg(hw, "Invalid EEPROM checksum");
819	}
820
821	/* If the user cares, return the calculated checksum */
822	if (checksum_val)
823		*checksum_val = checksum;
824
825	return status;
826}
827
828/** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
829 *  @hw: pointer to hardware structure
830 *  @offset: offset of  word in the EEPROM to write
831 *  @data: word write to the EEPROM
832 *
833 *  Write a 16 bit word to the EEPROM using the hostif.
834 **/
835static s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
836					   u16 data)
837{
838	s32 status;
839	struct ixgbe_hic_write_shadow_ram buffer;
840
841	buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
842	buffer.hdr.req.buf_lenh = 0;
843	buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
844	buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
845
846	/* one word */
847	buffer.length = cpu_to_be16(sizeof(u16));
848	buffer.data = data;
849	buffer.address = cpu_to_be32(offset * 2);
850
851	status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
852					      sizeof(buffer),
853					      IXGBE_HI_COMMAND_TIMEOUT, false);
854	return status;
855}
856
857/** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
858 *  @hw: pointer to hardware structure
859 *  @offset: offset of  word in the EEPROM to write
860 *  @data: word write to the EEPROM
861 *
862 *  Write a 16 bit word to the EEPROM using the hostif.
863 **/
864static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
865{
866	s32 status = 0;
867
868	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
869		status = ixgbe_write_ee_hostif_data_X550(hw, offset, data);
870		hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
871	} else {
872		hw_dbg(hw, "write ee hostif failed to get semaphore");
873		status = IXGBE_ERR_SWFW_SYNC;
874	}
875
876	return status;
877}
878
879/** ixgbe_update_flash_X550 - Instruct HW to copy EEPROM to Flash device
880 *  @hw: pointer to hardware structure
881 *
882 *  Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash.
883 **/
884static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
885{
886	s32 status = 0;
887	union ixgbe_hic_hdr2 buffer;
888
889	buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD;
890	buffer.req.buf_lenh = 0;
891	buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN;
892	buffer.req.checksum = FW_DEFAULT_CHECKSUM;
893
894	status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
895					      sizeof(buffer),
896					      IXGBE_HI_COMMAND_TIMEOUT, false);
897	return status;
898}
899
900/**
901 * ixgbe_get_bus_info_X550em - Set PCI bus info
902 * @hw: pointer to hardware structure
903 *
904 * Sets bus link width and speed to unknown because X550em is
905 * not a PCI device.
906 **/
907static s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw)
908{
909	hw->bus.type  = ixgbe_bus_type_internal;
910	hw->bus.width = ixgbe_bus_width_unknown;
911	hw->bus.speed = ixgbe_bus_speed_unknown;
912
913	hw->mac.ops.set_lan_id(hw);
914
915	return 0;
916}
917
918/** ixgbe_disable_rx_x550 - Disable RX unit
919 *
920 *  Enables the Rx DMA unit for x550
921 **/
922static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
923{
924	u32 rxctrl, pfdtxgswc;
925	s32 status;
926	struct ixgbe_hic_disable_rxen fw_cmd;
927
928	rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
929	if (rxctrl & IXGBE_RXCTRL_RXEN) {
930		pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
931		if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) {
932			pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN;
933			IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
934			hw->mac.set_lben = true;
935		} else {
936			hw->mac.set_lben = false;
937		}
938
939		fw_cmd.hdr.cmd = FW_DISABLE_RXEN_CMD;
940		fw_cmd.hdr.buf_len = FW_DISABLE_RXEN_LEN;
941		fw_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
942		fw_cmd.port_number = (u8)hw->bus.lan_id;
943
944		status = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
945					sizeof(struct ixgbe_hic_disable_rxen),
946					IXGBE_HI_COMMAND_TIMEOUT, true);
947
948		/* If we fail - disable RX using register write */
949		if (status) {
950			rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
951			if (rxctrl & IXGBE_RXCTRL_RXEN) {
952				rxctrl &= ~IXGBE_RXCTRL_RXEN;
953				IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
954			}
955		}
956	}
957}
958
959/** ixgbe_update_eeprom_checksum_X550 - Updates the EEPROM checksum and flash
960 *  @hw: pointer to hardware structure
961 *
962 *  After writing EEPROM to shadow RAM using EEWR register, software calculates
963 *  checksum and updates the EEPROM and instructs the hardware to update
964 *  the flash.
965 **/
966static s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
967{
968	s32 status;
969	u16 checksum = 0;
970
971	/* Read the first word from the EEPROM. If this times out or fails, do
972	 * not continue or we could be in for a very long wait while every
973	 * EEPROM read fails
974	 */
975	status = ixgbe_read_ee_hostif_X550(hw, 0, &checksum);
976	if (status) {
977		hw_dbg(hw, "EEPROM read failed\n");
978		return status;
979	}
980
981	status = ixgbe_calc_eeprom_checksum_X550(hw);
982	if (status < 0)
983		return status;
984
985	checksum = (u16)(status & 0xffff);
986
987	status = ixgbe_write_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
988					    checksum);
989	if (status)
990		return status;
991
992	status = ixgbe_update_flash_X550(hw);
993
994	return status;
995}
996
997/** ixgbe_write_ee_hostif_buffer_X550 - Write EEPROM word(s) using hostif
998 *  @hw: pointer to hardware structure
999 *  @offset: offset of  word in the EEPROM to write
1000 *  @words: number of words
1001 *  @data: word(s) write to the EEPROM
1002 *
1003 *
1004 *  Write a 16 bit word(s) to the EEPROM using the hostif.
1005 **/
1006static s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
1007					     u16 offset, u16 words,
1008					     u16 *data)
1009{
1010	s32 status = 0;
1011	u32 i = 0;
1012
1013	/* Take semaphore for the entire operation. */
1014	status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
1015	if (status) {
1016		hw_dbg(hw, "EEPROM write buffer - semaphore failed\n");
1017		return status;
1018	}
1019
1020	for (i = 0; i < words; i++) {
1021		status = ixgbe_write_ee_hostif_data_X550(hw, offset + i,
1022							 data[i]);
1023		if (status) {
1024			hw_dbg(hw, "Eeprom buffered write failed\n");
1025			break;
1026		}
1027	}
1028
1029	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
1030
1031	return status;
1032}
1033
1034/** ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the
1035 *  IOSF device
1036 *
1037 *  @hw: pointer to hardware structure
1038 *  @reg_addr: 32 bit PHY register to write
1039 *  @device_type: 3 bit device type
1040 *  @data: Data to write to the register
1041 **/
1042static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
1043					u32 device_type, u32 data)
1044{
1045	u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
1046	u32 command, error;
1047	s32 ret;
1048
1049	ret = hw->mac.ops.acquire_swfw_sync(hw, gssr);
1050	if (ret)
1051		return ret;
1052
1053	ret = ixgbe_iosf_wait(hw, NULL);
1054	if (ret)
1055		goto out;
1056
1057	command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
1058		   (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
1059
1060	/* Write IOSF control register */
1061	IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
1062
1063	/* Write IOSF data register */
1064	IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA, data);
1065
1066	ret = ixgbe_iosf_wait(hw, &command);
1067
1068	if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
1069		error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
1070			 IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
1071		hw_dbg(hw, "Failed to write, error %x\n", error);
1072		return IXGBE_ERR_PHY;
1073	}
1074
1075out:
1076	hw->mac.ops.release_swfw_sync(hw, gssr);
1077	return ret;
1078}
1079
1080/** ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
1081 *  @hw: pointer to hardware structure
1082 *  @speed: the link speed to force
1083 *
1084 *  Configures the integrated KR PHY to use iXFI mode. Used to connect an
1085 *  internal and external PHY at a specific speed, without autonegotiation.
1086 **/
1087static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
1088{
1089	s32 status;
1090	u32 reg_val;
1091
1092	/* Disable AN and force speed to 10G Serial. */
1093	status = ixgbe_read_iosf_sb_reg_x550(hw,
1094					IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1095					IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1096	if (status)
1097		return status;
1098
1099	reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
1100	reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
1101
1102	/* Select forced link speed for internal PHY. */
1103	switch (*speed) {
1104	case IXGBE_LINK_SPEED_10GB_FULL:
1105		reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
1106		break;
1107	case IXGBE_LINK_SPEED_1GB_FULL:
1108		reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
1109		break;
1110	default:
1111		/* Other link speeds are not supported by internal KR PHY. */
1112		return IXGBE_ERR_LINK_SETUP;
1113	}
1114
1115	status = ixgbe_write_iosf_sb_reg_x550(hw,
1116				IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1117				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1118	if (status)
1119		return status;
1120
1121	/* Disable training protocol FSM. */
1122	status = ixgbe_read_iosf_sb_reg_x550(hw,
1123				IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
1124				IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1125	if (status)
1126		return status;
1127
1128	reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
1129	status = ixgbe_write_iosf_sb_reg_x550(hw,
1130				IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
1131				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1132	if (status)
1133		return status;
1134
1135	/* Disable Flex from training TXFFE. */
1136	status = ixgbe_read_iosf_sb_reg_x550(hw,
1137				IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
1138				IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1139	if (status)
1140		return status;
1141
1142	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
1143	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
1144	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
1145	status = ixgbe_write_iosf_sb_reg_x550(hw,
1146				IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
1147				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1148	if (status)
1149		return status;
1150
1151	status = ixgbe_read_iosf_sb_reg_x550(hw,
1152				IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
1153				IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1154	if (status)
1155		return status;
1156
1157	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
1158	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
1159	reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
1160	status = ixgbe_write_iosf_sb_reg_x550(hw,
1161				IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
1162				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1163	if (status)
1164		return status;
1165
1166	/* Enable override for coefficients. */
1167	status = ixgbe_read_iosf_sb_reg_x550(hw,
1168				IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
1169				IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1170	if (status)
1171		return status;
1172
1173	reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_OVRRD_EN;
1174	reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN;
1175	reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN;
1176	reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN;
1177	status = ixgbe_write_iosf_sb_reg_x550(hw,
1178				IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
1179				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1180	if (status)
1181		return status;
1182
1183	/* Toggle port SW reset by AN reset. */
1184	status = ixgbe_read_iosf_sb_reg_x550(hw,
1185				IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1186				IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1187	if (status)
1188		return status;
1189
1190	reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
1191	status = ixgbe_write_iosf_sb_reg_x550(hw,
1192				IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1193				IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1194
1195	return status;
1196}
1197
1198/**
1199 *  ixgbe_supported_sfp_modules_X550em - Check if SFP module type is supported
1200 *  @hw: pointer to hardware structure
1201 *  @linear: true if SFP module is linear
1202 */
1203static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
1204{
1205	switch (hw->phy.sfp_type) {
1206	case ixgbe_sfp_type_not_present:
1207		return IXGBE_ERR_SFP_NOT_PRESENT;
1208	case ixgbe_sfp_type_da_cu_core0:
1209	case ixgbe_sfp_type_da_cu_core1:
1210		*linear = true;
1211		break;
1212	case ixgbe_sfp_type_srlr_core0:
1213	case ixgbe_sfp_type_srlr_core1:
1214	case ixgbe_sfp_type_da_act_lmt_core0:
1215	case ixgbe_sfp_type_da_act_lmt_core1:
1216	case ixgbe_sfp_type_1g_sx_core0:
1217	case ixgbe_sfp_type_1g_sx_core1:
1218	case ixgbe_sfp_type_1g_lx_core0:
1219	case ixgbe_sfp_type_1g_lx_core1:
1220		*linear = false;
1221		break;
1222	case ixgbe_sfp_type_unknown:
1223	case ixgbe_sfp_type_1g_cu_core0:
1224	case ixgbe_sfp_type_1g_cu_core1:
1225	default:
1226		return IXGBE_ERR_SFP_NOT_SUPPORTED;
1227	}
1228
1229	return 0;
1230}
1231
1232/**
1233 *  ixgbe_setup_mac_link_sfp_x550em - Configure the KR PHY for SFP.
1234 *  @hw: pointer to hardware structure
1235 *
1236 *  Configures the extern PHY and the integrated KR PHY for SFP support.
1237 */
1238static s32
1239ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
1240				ixgbe_link_speed speed,
1241				__always_unused bool autoneg_wait_to_complete)
1242{
1243	s32 status;
1244	u16 slice, value;
1245	bool setup_linear = false;
1246
1247	/* Check if SFP module is supported and linear */
1248	status = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
1249
1250	/* If no SFP module present, then return success. Return success since
1251	 * there is no reason to configure CS4227 and SFP not present error is
1252	 * not accepted in the setup MAC link flow.
1253	 */
1254	if (status == IXGBE_ERR_SFP_NOT_PRESENT)
1255		return 0;
1256
1257	if (status)
1258		return status;
1259
1260	/* Configure CS4227 LINE side to 10G SR. */
1261	slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12);
1262	value = IXGBE_CS4227_SPEED_10G;
1263	status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
1264						  value);
1265
1266	/* Configure CS4227 for HOST connection rate then type. */
1267	slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12);
1268	value = speed & IXGBE_LINK_SPEED_10GB_FULL ?
1269		IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
1270	status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
1271						  value);
1272
1273	slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12);
1274	if (setup_linear)
1275		value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
1276	else
1277		value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
1278	status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice,
1279						  value);
1280
1281	/* If internal link mode is XFI, then setup XFI internal link. */
1282	if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))
1283		status = ixgbe_setup_ixfi_x550em(hw, &speed);
1284
1285	return status;
1286}
1287
1288/**
1289 * ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
1290 * @hw: pointer to hardware structure
1291 * @speed: new link speed
1292 * @autoneg_wait_to_complete: true when waiting for completion is needed
1293 *
1294 * Setup internal/external PHY link speed based on link speed, then set
1295 * external PHY auto advertised link speed.
1296 *
1297 * Returns error status for any failure
1298 **/
1299static s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
1300					 ixgbe_link_speed speed,
1301					 bool autoneg_wait)
1302{
1303	s32 status;
1304	ixgbe_link_speed force_speed;
1305
1306	/* Setup internal/external PHY link speed to iXFI (10G), unless
1307	 * only 1G is auto advertised then setup KX link.
1308	 */
1309	if (speed & IXGBE_LINK_SPEED_10GB_FULL)
1310		force_speed = IXGBE_LINK_SPEED_10GB_FULL;
1311	else
1312		force_speed = IXGBE_LINK_SPEED_1GB_FULL;
1313
1314	/* If internal link mode is XFI, then setup XFI internal link. */
1315	if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
1316		status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
1317
1318		if (status)
1319			return status;
1320	}
1321
1322	return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
1323}
1324
1325/** ixgbe_check_link_t_X550em - Determine link and speed status
1326  * @hw: pointer to hardware structure
1327  * @speed: pointer to link speed
1328  * @link_up: true when link is up
1329  * @link_up_wait_to_complete: bool used to wait for link up or not
1330  *
1331  * Check that both the MAC and X557 external PHY have link.
1332  **/
1333static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw,
1334				     ixgbe_link_speed *speed,
1335				     bool *link_up,
1336				     bool link_up_wait_to_complete)
1337{
1338	u32 status;
1339	u16 autoneg_status;
1340
1341	if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
1342		return IXGBE_ERR_CONFIG;
1343
1344	status = ixgbe_check_mac_link_generic(hw, speed, link_up,
1345					      link_up_wait_to_complete);
1346
1347	/* If check link fails or MAC link is not up, then return */
1348	if (status || !(*link_up))
1349		return status;
1350
1351	 /* MAC link is up, so check external PHY link.
1352	  * Read this twice back to back to indicate current status.
1353	  */
1354	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
1355				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1356				      &autoneg_status);
1357	if (status)
1358		return status;
1359
1360	/* If external PHY link is not up, then indicate link not up */
1361	if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
1362		*link_up = false;
1363
1364	return 0;
1365}
1366
1367/** ixgbe_init_mac_link_ops_X550em - init mac link function pointers
1368 *  @hw: pointer to hardware structure
1369 **/
1370static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
1371{
1372	struct ixgbe_mac_info *mac = &hw->mac;
1373
1374	switch (mac->ops.get_media_type(hw)) {
1375	case ixgbe_media_type_fiber:
1376		/* CS4227 does not support autoneg, so disable the laser control
1377		 * functions for SFP+ fiber
1378		 */
1379		mac->ops.disable_tx_laser = NULL;
1380		mac->ops.enable_tx_laser = NULL;
1381		mac->ops.flap_tx_laser = NULL;
1382		mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
1383		mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_x550em;
1384		mac->ops.set_rate_select_speed =
1385					ixgbe_set_soft_rate_select_speed;
1386		break;
1387	case ixgbe_media_type_copper:
1388		mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
1389		mac->ops.check_link = ixgbe_check_link_t_X550em;
1390		break;
1391	default:
1392		break;
1393	}
1394}
1395
1396/** ixgbe_setup_sfp_modules_X550em - Setup SFP module
1397 * @hw: pointer to hardware structure
1398 */
1399static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
1400{
1401	s32 status;
1402	bool linear;
1403
1404	/* Check if SFP module is supported */
1405	status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
1406	if (status)
1407		return status;
1408
1409	ixgbe_init_mac_link_ops_X550em(hw);
1410	hw->phy.ops.reset = NULL;
1411
1412	return 0;
1413}
1414
1415/** ixgbe_get_link_capabilities_x550em - Determines link capabilities
1416 * @hw: pointer to hardware structure
1417 * @speed: pointer to link speed
1418 * @autoneg: true when autoneg or autotry is enabled
1419 **/
1420static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
1421					      ixgbe_link_speed *speed,
1422					      bool *autoneg)
1423{
1424	/* SFP */
1425	if (hw->phy.media_type == ixgbe_media_type_fiber) {
1426		/* CS4227 SFP must not enable auto-negotiation */
1427		*autoneg = false;
1428
1429		if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
1430		    hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) {
1431			*speed = IXGBE_LINK_SPEED_1GB_FULL;
1432			return 0;
1433		}
1434
1435		/* Link capabilities are based on SFP */
1436		if (hw->phy.multispeed_fiber)
1437			*speed = IXGBE_LINK_SPEED_10GB_FULL |
1438				 IXGBE_LINK_SPEED_1GB_FULL;
1439		else
1440			*speed = IXGBE_LINK_SPEED_10GB_FULL;
1441	} else {
1442		*speed = IXGBE_LINK_SPEED_10GB_FULL |
1443			 IXGBE_LINK_SPEED_1GB_FULL;
1444		*autoneg = true;
1445	}
1446	return 0;
1447}
1448
1449/**
1450 * ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause
1451 * @hw: pointer to hardware structure
1452 * @lsc: pointer to boolean flag which indicates whether external Base T
1453 *	 PHY interrupt is lsc
1454 *
1455 * Determime if external Base T PHY interrupt cause is high temperature
1456 * failure alarm or link status change.
1457 *
1458 * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
1459 * failure alarm, else return PHY access status.
1460 **/
1461static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
1462{
1463	u32 status;
1464	u16 reg;
1465
1466	*lsc = false;
1467
1468	/* Vendor alarm triggered */
1469	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
1470				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1471				      &reg);
1472
1473	if (status || !(reg & IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN))
1474		return status;
1475
1476	/* Vendor Auto-Neg alarm triggered or Global alarm 1 triggered */
1477	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG,
1478				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1479				      &reg);
1480
1481	if (status || !(reg & (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
1482				IXGBE_MDIO_GLOBAL_ALARM_1_INT)))
1483		return status;
1484
1485	/* High temperature failure alarm triggered */
1486	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1,
1487				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1488				      &reg);
1489
1490	if (status)
1491		return status;
1492
1493	/* If high temperature failure, then return over temp error and exit */
1494	if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
1495		/* power down the PHY in case the PHY FW didn't already */
1496		ixgbe_set_copper_phy_power(hw, false);
1497		return IXGBE_ERR_OVERTEMP;
1498	}
1499
1500	/* Vendor alarm 2 triggered */
1501	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
1502				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
1503
1504	if (status || !(reg & IXGBE_MDIO_GLOBAL_STD_ALM2_INT))
1505		return status;
1506
1507	/* link connect/disconnect event occurred */
1508	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM2,
1509				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
1510
1511	if (status)
1512		return status;
1513
1514	/* Indicate LSC */
1515	if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC)
1516		*lsc = true;
1517
1518	return 0;
1519}
1520
1521/**
1522 * ixgbe_enable_lasi_ext_t_x550em - Enable external Base T PHY interrupts
1523 * @hw: pointer to hardware structure
1524 *
1525 * Enable link status change and temperature failure alarm for the external
1526 * Base T PHY
1527 *
1528 * Returns PHY access status
1529 **/
1530static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
1531{
1532	u32 status;
1533	u16 reg;
1534	bool lsc;
1535
1536	/* Clear interrupt flags */
1537	status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
1538
1539	/* Enable link status change alarm */
1540	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
1541				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
1542	if (status)
1543		return status;
1544
1545	reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN;
1546
1547	status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
1548				       IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg);
1549	if (status)
1550		return status;
1551
1552	/* Enables high temperature failure alarm */
1553	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
1554				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1555				      &reg);
1556	if (status)
1557		return status;
1558
1559	reg |= IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN;
1560
1561	status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
1562				       IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1563				       reg);
1564	if (status)
1565		return status;
1566
1567	/* Enable vendor Auto-Neg alarm and Global Interrupt Mask 1 alarm */
1568	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
1569				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1570				      &reg);
1571	if (status)
1572		return status;
1573
1574	reg |= (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
1575		IXGBE_MDIO_GLOBAL_ALARM_1_INT);
1576
1577	status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
1578				       IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1579				       reg);
1580	if (status)
1581		return status;
1582
1583	/* Enable chip-wide vendor alarm */
1584	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
1585				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1586				      &reg);
1587	if (status)
1588		return status;
1589
1590	reg |= IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN;
1591
1592	status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
1593				       IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
1594				       reg);
1595
1596	return status;
1597}
1598
1599/**
1600 * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
1601 * @hw: pointer to hardware structure
1602 *
1603 * Handle external Base T PHY interrupt. If high temperature
1604 * failure alarm then return error, else if link status change
1605 * then setup internal/external PHY link
1606 *
1607 * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
1608 * failure alarm, else return PHY access status.
1609 **/
1610static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
1611{
1612	struct ixgbe_phy_info *phy = &hw->phy;
1613	bool lsc;
1614	u32 status;
1615
1616	status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
1617	if (status)
1618		return status;
1619
1620	if (lsc && phy->ops.setup_internal_link)
1621		return phy->ops.setup_internal_link(hw);
1622
1623	return 0;
1624}
1625
1626/**
1627 * ixgbe_setup_kr_speed_x550em - Configure the KR PHY for link speed.
1628 * @hw: pointer to hardware structure
1629 * @speed: link speed
1630 *
1631 * Configures the integrated KR PHY.
1632 **/
1633static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
1634				       ixgbe_link_speed speed)
1635{
1636	s32 status;
1637	u32 reg_val;
1638
1639	status = ixgbe_read_iosf_sb_reg_x550(hw,
1640					IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1641					IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
1642	if (status)
1643		return status;
1644
1645	reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
1646	reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ |
1647		     IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC);
1648	reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR |
1649		     IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX);
1650
1651	/* Advertise 10G support. */
1652	if (speed & IXGBE_LINK_SPEED_10GB_FULL)
1653		reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR;
1654
1655	/* Advertise 1G support. */
1656	if (speed & IXGBE_LINK_SPEED_1GB_FULL)
1657		reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX;
1658
1659	/* Restart auto-negotiation. */
1660	reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
1661	status = ixgbe_write_iosf_sb_reg_x550(hw,
1662					IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1663					IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
1664
1665	return status;
1666}
1667
1668/** ixgbe_setup_kx4_x550em - Configure the KX4 PHY.
1669 *  @hw: pointer to hardware structure
1670 *
1671 *   Configures the integrated KX4 PHY.
1672 **/
1673static s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw)
1674{
1675	s32 status;
1676	u32 reg_val;
1677
1678	status = ixgbe_read_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
1679					     IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
1680					     hw->bus.lan_id, &reg_val);
1681	if (status)
1682		return status;
1683
1684	reg_val &= ~(IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4 |
1685		     IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX);
1686
1687	reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_ENABLE;
1688
1689	/* Advertise 10G support. */
1690	if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
1691		reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4;
1692
1693	/* Advertise 1G support. */
1694	if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
1695		reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX;
1696
1697	/* Restart auto-negotiation. */
1698	reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_RESTART;
1699	status = ixgbe_write_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
1700					      IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
1701					      hw->bus.lan_id, reg_val);
1702
1703	return status;
1704}
1705
1706/**  ixgbe_setup_kr_x550em - Configure the KR PHY.
1707 *   @hw: pointer to hardware structure
1708 *
1709 *   Configures the integrated KR PHY.
1710 **/
1711static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
1712{
1713	return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
1714}
1715
1716/** ixgbe_ext_phy_t_x550em_get_link - Get ext phy link status
1717 *  @hw: address of hardware structure
1718 *  @link_up: address of boolean to indicate link status
1719 *
1720 *  Returns error code if unable to get link status.
1721 **/
1722static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up)
1723{
1724	u32 ret;
1725	u16 autoneg_status;
1726
1727	*link_up = false;
1728
1729	/* read this twice back to back to indicate current status */
1730	ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
1731				   IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1732				   &autoneg_status);
1733	if (ret)
1734		return ret;
1735
1736	ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
1737				   IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1738				   &autoneg_status);
1739	if (ret)
1740		return ret;
1741
1742	*link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS);
1743
1744	return 0;
1745}
1746
1747/** ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link
1748 *  @hw: point to hardware structure
1749 *
1750 *  Configures the link between the integrated KR PHY and the external X557 PHY
1751 *  The driver will call this function when it gets a link status change
1752 *  interrupt from the X557 PHY. This function configures the link speed
1753 *  between the PHYs to match the link speed of the BASE-T link.
1754 *
1755 * A return of a non-zero value indicates an error, and the base driver should
1756 * not report link up.
1757 **/
1758static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
1759{
1760	ixgbe_link_speed force_speed;
1761	bool link_up;
1762	u32 status;
1763	u16 speed;
1764
1765	if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
1766		return IXGBE_ERR_CONFIG;
1767
1768	/* If link is not up, then there is no setup necessary so return  */
1769	status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
1770	if (status)
1771		return status;
1772
1773	if (!link_up)
1774		return 0;
1775
1776	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
1777				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1778				      &speed);
1779	if (status)
1780		return status;
1781
1782	/* If link is not still up, then no setup is necessary so return */
1783	status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
1784	if (status)
1785		return status;
1786
1787	if (!link_up)
1788		return 0;
1789
1790	/* clear everything but the speed and duplex bits */
1791	speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
1792
1793	switch (speed) {
1794	case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
1795		force_speed = IXGBE_LINK_SPEED_10GB_FULL;
1796		break;
1797	case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
1798		force_speed = IXGBE_LINK_SPEED_1GB_FULL;
1799		break;
1800	default:
1801		/* Internal PHY does not support anything else */
1802		return IXGBE_ERR_INVALID_LINK_SETTINGS;
1803	}
1804
1805	return ixgbe_setup_ixfi_x550em(hw, &force_speed);
1806}
1807
1808/** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
1809 *  @hw: pointer to hardware structure
1810 **/
1811static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
1812{
1813	s32 status;
1814
1815	status = ixgbe_reset_phy_generic(hw);
1816
1817	if (status)
1818		return status;
1819
1820	/* Configure Link Status Alarm and Temperature Threshold interrupts */
1821	return ixgbe_enable_lasi_ext_t_x550em(hw);
1822}
1823
1824/** ixgbe_get_lcd_x550em - Determine lowest common denominator
1825 *  @hw: pointer to hardware structure
1826 *  @lcd_speed: pointer to lowest common link speed
1827 *
1828 *  Determine lowest common link speed with link partner.
1829 **/
1830static s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw,
1831				  ixgbe_link_speed *lcd_speed)
1832{
1833	u16 an_lp_status;
1834	s32 status;
1835	u16 word = hw->eeprom.ctrl_word_3;
1836
1837	*lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
1838
1839	status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
1840				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1841				      &an_lp_status);
1842	if (status)
1843		return status;
1844
1845	/* If link partner advertised 1G, return 1G */
1846	if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
1847		*lcd_speed = IXGBE_LINK_SPEED_1GB_FULL;
1848		return status;
1849	}
1850
1851	/* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
1852	if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
1853	    (word & NVM_INIT_CTRL_3_D10GMP_PORT0))
1854		return status;
1855
1856	/* Link partner not capable of lower speeds, return 10G */
1857	*lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
1858	return status;
1859}
1860
1861/** ixgbe_enter_lplu_x550em - Transition to low power states
1862 *  @hw: pointer to hardware structure
1863 *
1864 *  Configures Low Power Link Up on transition to low power states
1865 *  (from D0 to non-D0). Link is required to enter LPLU so avoid resetting
1866 *  the X557 PHY immediately prior to entering LPLU.
1867 **/
1868static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
1869{
1870	u16 an_10g_cntl_reg, autoneg_reg, speed;
1871	s32 status;
1872	ixgbe_link_speed lcd_speed;
1873	u32 save_autoneg;
1874	bool link_up;
1875
1876	/* SW LPLU not required on later HW revisions. */
1877	if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)))
1878		return 0;
1879
1880	/* If blocked by MNG FW, then don't restart AN */
1881	if (ixgbe_check_reset_blocked(hw))
1882		return 0;
1883
1884	status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
1885	if (status)
1886		return status;
1887
1888	status = hw->eeprom.ops.read(hw, NVM_INIT_CTRL_3,
1889				     &hw->eeprom.ctrl_word_3);
1890	if (status)
1891		return status;
1892
1893	/* If link is down, LPLU disabled in NVM, WoL disabled, or
1894	 * manageability disabled, then force link down by entering
1895	 * low power mode.
1896	 */
1897	if (!link_up || !(hw->eeprom.ctrl_word_3 & NVM_INIT_CTRL_3_LPLU) ||
1898	    !(hw->wol_enabled || ixgbe_mng_present(hw)))
1899		return ixgbe_set_copper_phy_power(hw, false);
1900
1901	/* Determine LCD */
1902	status = ixgbe_get_lcd_t_x550em(hw, &lcd_speed);
1903	if (status)
1904		return status;
1905
1906	/* If no valid LCD link speed, then force link down and exit. */
1907	if (lcd_speed == IXGBE_LINK_SPEED_UNKNOWN)
1908		return ixgbe_set_copper_phy_power(hw, false);
1909
1910	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
1911				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1912				      &speed);
1913	if (status)
1914		return status;
1915
1916	/* If no link now, speed is invalid so take link down */
1917	status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
1918	if (status)
1919		return ixgbe_set_copper_phy_power(hw, false);
1920
1921	/* clear everything but the speed bits */
1922	speed &= IXGBE_MDIO_AUTO_NEG_VEN_STAT_SPEED_MASK;
1923
1924	/* If current speed is already LCD, then exit. */
1925	if (((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB) &&
1926	     (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) ||
1927	    ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) &&
1928	     (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL)))
1929		return status;
1930
1931	/* Clear AN completed indication */
1932	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
1933				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1934				      &autoneg_reg);
1935	if (status)
1936		return status;
1937
1938	status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
1939				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1940				      &an_10g_cntl_reg);
1941	if (status)
1942		return status;
1943
1944	status = hw->phy.ops.read_reg(hw,
1945				      IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
1946				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
1947				      &autoneg_reg);
1948	if (status)
1949		return status;
1950
1951	save_autoneg = hw->phy.autoneg_advertised;
1952
1953	/* Setup link at least common link speed */
1954	status = hw->mac.ops.setup_link(hw, lcd_speed, false);
1955
1956	/* restore autoneg from before setting lplu speed */
1957	hw->phy.autoneg_advertised = save_autoneg;
1958
1959	return status;
1960}
1961
1962/** ixgbe_init_phy_ops_X550em - PHY/SFP specific init
1963 *  @hw: pointer to hardware structure
1964 *
1965 *  Initialize any function pointers that were not able to be
1966 *  set during init_shared_code because the PHY/SFP type was
1967 *  not known.  Perform the SFP init if necessary.
1968 **/
1969static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
1970{
1971	struct ixgbe_phy_info *phy = &hw->phy;
1972	ixgbe_link_speed speed;
1973	s32 ret_val;
1974
1975	hw->mac.ops.set_lan_id(hw);
1976
1977	if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
1978		phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
1979		ixgbe_setup_mux_ctl(hw);
1980
1981		/* Save NW management interface connected on board. This is used
1982		 * to determine internal PHY mode.
1983		 */
1984		phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
1985
1986		/* If internal PHY mode is KR, then initialize KR link */
1987		if (phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) {
1988			speed = IXGBE_LINK_SPEED_10GB_FULL |
1989				IXGBE_LINK_SPEED_1GB_FULL;
1990			ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
1991		}
1992	}
1993
1994	/* Identify the PHY or SFP module */
1995	ret_val = phy->ops.identify(hw);
1996
1997	/* Setup function pointers based on detected hardware */
1998	ixgbe_init_mac_link_ops_X550em(hw);
1999	if (phy->sfp_type != ixgbe_sfp_type_unknown)
2000		phy->ops.reset = NULL;
2001
2002	/* Set functions pointers based on phy type */
2003	switch (hw->phy.type) {
2004	case ixgbe_phy_x550em_kx4:
2005		phy->ops.setup_link = ixgbe_setup_kx4_x550em;
2006		phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
2007		phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
2008		break;
2009	case ixgbe_phy_x550em_kr:
2010		phy->ops.setup_link = ixgbe_setup_kr_x550em;
2011		phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
2012		phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
2013		break;
2014	case ixgbe_phy_x550em_ext_t:
2015		/* Save NW management interface connected on board. This is used
2016		 * to determine internal PHY mode
2017		 */
2018		phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
2019
2020		/* If internal link mode is XFI, then setup iXFI internal link,
2021		 * else setup KR now.
2022		 */
2023		if (!(phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
2024			phy->ops.setup_internal_link =
2025					ixgbe_setup_internal_phy_t_x550em;
2026		} else {
2027			speed = IXGBE_LINK_SPEED_10GB_FULL |
2028				IXGBE_LINK_SPEED_1GB_FULL;
2029			ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
2030		}
2031
2032		/* setup SW LPLU only for first revision */
2033		if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw,
2034							IXGBE_FUSES0_GROUP(0))))
2035			phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em;
2036
2037		phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
2038		phy->ops.reset = ixgbe_reset_phy_t_X550em;
2039		break;
2040	default:
2041		break;
2042	}
2043
2044	return ret_val;
2045}
2046
2047/** ixgbe_get_media_type_X550em - Get media type
2048 *  @hw: pointer to hardware structure
2049 *
2050 *  Returns the media type (fiber, copper, backplane)
2051 *
2052 */
2053static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
2054{
2055	enum ixgbe_media_type media_type;
2056
2057	/* Detect if there is a copper PHY attached. */
2058	switch (hw->device_id) {
2059	case IXGBE_DEV_ID_X550EM_X_KR:
2060	case IXGBE_DEV_ID_X550EM_X_KX4:
2061		media_type = ixgbe_media_type_backplane;
2062		break;
2063	case IXGBE_DEV_ID_X550EM_X_SFP:
2064		media_type = ixgbe_media_type_fiber;
2065		break;
2066	case IXGBE_DEV_ID_X550EM_X_1G_T:
2067	case IXGBE_DEV_ID_X550EM_X_10G_T:
2068		 media_type = ixgbe_media_type_copper;
2069		break;
2070	default:
2071		media_type = ixgbe_media_type_unknown;
2072		break;
2073	}
2074	return media_type;
2075}
2076
2077/** ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
2078 ** @hw: pointer to hardware structure
2079 **/
2080static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
2081{
2082	s32 status;
2083	u16 reg;
2084
2085	status = hw->phy.ops.read_reg(hw,
2086				      IXGBE_MDIO_TX_VENDOR_ALARMS_3,
2087				      IXGBE_MDIO_PMA_PMD_DEV_TYPE,
2088				      &reg);
2089	if (status)
2090		return status;
2091
2092	/* If PHY FW reset completed bit is set then this is the first
2093	 * SW instance after a power on so the PHY FW must be un-stalled.
2094	 */
2095	if (reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) {
2096		status = hw->phy.ops.read_reg(hw,
2097					IXGBE_MDIO_GLOBAL_RES_PR_10,
2098					IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2099					&reg);
2100		if (status)
2101			return status;
2102
2103		reg &= ~IXGBE_MDIO_POWER_UP_STALL;
2104
2105		status = hw->phy.ops.write_reg(hw,
2106					IXGBE_MDIO_GLOBAL_RES_PR_10,
2107					IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2108					reg);
2109		if (status)
2110			return status;
2111	}
2112
2113	return status;
2114}
2115
2116/**  ixgbe_reset_hw_X550em - Perform hardware reset
2117 **  @hw: pointer to hardware structure
2118 **
2119 **  Resets the hardware by resetting the transmit and receive units, masks
2120 **  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
2121 **  reset.
2122 **/
2123static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
2124{
2125	ixgbe_link_speed link_speed;
2126	s32 status;
2127	u32 ctrl = 0;
2128	u32 i;
2129	u32 hlreg0;
2130	bool link_up = false;
2131
2132	/* Call adapter stop to disable Tx/Rx and clear interrupts */
2133	status = hw->mac.ops.stop_adapter(hw);
2134	if (status)
2135		return status;
2136
2137	/* flush pending Tx transactions */
2138	ixgbe_clear_tx_pending(hw);
2139
2140	/* PHY ops must be identified and initialized prior to reset */
2141
2142	/* Identify PHY and related function pointers */
2143	status = hw->phy.ops.init(hw);
2144
2145	/* start the external PHY */
2146	if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
2147		status = ixgbe_init_ext_t_x550em(hw);
2148		if (status)
2149			return status;
2150	}
2151
2152	/* Setup SFP module if there is one present. */
2153	if (hw->phy.sfp_setup_needed) {
2154		status = hw->mac.ops.setup_sfp(hw);
2155		hw->phy.sfp_setup_needed = false;
2156	}
2157
2158	/* Reset PHY */
2159	if (!hw->phy.reset_disable && hw->phy.ops.reset)
2160		hw->phy.ops.reset(hw);
2161
2162mac_reset_top:
2163	/* Issue global reset to the MAC.  Needs to be SW reset if link is up.
2164	 * If link reset is used when link is up, it might reset the PHY when
2165	 * mng is using it.  If link is down or the flag to force full link
2166	 * reset is set, then perform link reset.
2167	 */
2168	ctrl = IXGBE_CTRL_LNK_RST;
2169
2170	if (!hw->force_full_reset) {
2171		hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
2172		if (link_up)
2173			ctrl = IXGBE_CTRL_RST;
2174	}
2175
2176	ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
2177	IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
2178	IXGBE_WRITE_FLUSH(hw);
2179
2180	/* Poll for reset bit to self-clear meaning reset is complete */
2181	for (i = 0; i < 10; i++) {
2182		udelay(1);
2183		ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
2184		if (!(ctrl & IXGBE_CTRL_RST_MASK))
2185			break;
2186	}
2187
2188	if (ctrl & IXGBE_CTRL_RST_MASK) {
2189		status = IXGBE_ERR_RESET_FAILED;
2190		hw_dbg(hw, "Reset polling failed to complete.\n");
2191	}
2192
2193	msleep(50);
2194
2195	/* Double resets are required for recovery from certain error
2196	 * clear the multicast table.  Also reset num_rar_entries to 128,
2197	 * since we modify this value when programming the SAN MAC address.
2198	 */
2199	if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
2200		hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
2201		goto mac_reset_top;
2202	}
2203
2204	/* Store the permanent mac address */
2205	hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
2206
2207	/* Store MAC address from RAR0, clear receive address registers, and
2208	 * clear the multicast table.  Also reset num_rar_entries to 128,
2209	 * since we modify this value when programming the SAN MAC address.
2210	 */
2211	hw->mac.num_rar_entries = 128;
2212	hw->mac.ops.init_rx_addrs(hw);
2213
2214	if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) {
2215		hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
2216		hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
2217		IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
2218	}
2219
2220	if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
2221		ixgbe_setup_mux_ctl(hw);
2222
2223	return status;
2224}
2225
2226/** ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable Ethertype
2227 *	anti-spoofing
2228 *  @hw:  pointer to hardware structure
2229 *  @enable: enable or disable switch for Ethertype anti-spoofing
2230 *  @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
2231 **/
2232static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
2233						   bool enable, int vf)
2234{
2235	int vf_target_reg = vf >> 3;
2236	int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT;
2237	u32 pfvfspoof;
2238
2239	pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
2240	if (enable)
2241		pfvfspoof |= (1 << vf_target_shift);
2242	else
2243		pfvfspoof &= ~(1 << vf_target_shift);
2244
2245	IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
2246}
2247
2248/** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning
2249 *  @hw: pointer to hardware structure
2250 *  @enable: enable or disable source address pruning
2251 *  @pool: Rx pool to set source address pruning for
2252 **/
2253static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw,
2254						  bool enable,
2255						  unsigned int pool)
2256{
2257	u64 pfflp;
2258
2259	/* max rx pool is 63 */
2260	if (pool > 63)
2261		return;
2262
2263	pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL);
2264	pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32;
2265
2266	if (enable)
2267		pfflp |= (1ULL << pool);
2268	else
2269		pfflp &= ~(1ULL << pool);
2270
2271	IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp);
2272	IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32));
2273}
2274
2275/**
2276 * ixgbe_set_mux - Set mux for port 1 access with CS4227
2277 * @hw: pointer to hardware structure
2278 * @state: set mux if 1, clear if 0
2279 */
2280static void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state)
2281{
2282	u32 esdp;
2283
2284	if (!hw->bus.lan_id)
2285		return;
2286	esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
2287	if (state)
2288		esdp |= IXGBE_ESDP_SDP1;
2289	else
2290		esdp &= ~IXGBE_ESDP_SDP1;
2291	IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
2292	IXGBE_WRITE_FLUSH(hw);
2293}
2294
2295/**
2296 * ixgbe_acquire_swfw_sync_X550em - Acquire SWFW semaphore
2297 * @hw: pointer to hardware structure
2298 * @mask: Mask to specify which semaphore to acquire
2299 *
2300 * Acquires the SWFW semaphore and sets the I2C MUX
2301 */
2302static s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
2303{
2304	s32 status;
2305
2306	status = ixgbe_acquire_swfw_sync_X540(hw, mask);
2307	if (status)
2308		return status;
2309
2310	if (mask & IXGBE_GSSR_I2C_MASK)
2311		ixgbe_set_mux(hw, 1);
2312
2313	return 0;
2314}
2315
2316/**
2317 * ixgbe_release_swfw_sync_X550em - Release SWFW semaphore
2318 * @hw: pointer to hardware structure
2319 * @mask: Mask to specify which semaphore to release
2320 *
2321 * Releases the SWFW semaphore and sets the I2C MUX
2322 */
2323static void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
2324{
2325	if (mask & IXGBE_GSSR_I2C_MASK)
2326		ixgbe_set_mux(hw, 0);
2327
2328	ixgbe_release_swfw_sync_X540(hw, mask);
2329}
2330
2331#define X550_COMMON_MAC \
2332	.init_hw			= &ixgbe_init_hw_generic, \
2333	.start_hw			= &ixgbe_start_hw_X540, \
2334	.clear_hw_cntrs			= &ixgbe_clear_hw_cntrs_generic, \
2335	.enable_rx_dma			= &ixgbe_enable_rx_dma_generic, \
2336	.get_mac_addr			= &ixgbe_get_mac_addr_generic, \
2337	.get_device_caps		= &ixgbe_get_device_caps_generic, \
2338	.stop_adapter			= &ixgbe_stop_adapter_generic, \
2339	.set_lan_id			= &ixgbe_set_lan_id_multi_port_pcie, \
2340	.read_analog_reg8		= NULL, \
2341	.write_analog_reg8		= NULL, \
2342	.set_rxpba			= &ixgbe_set_rxpba_generic, \
2343	.check_link			= &ixgbe_check_mac_link_generic, \
2344	.led_on				= &ixgbe_led_on_generic, \
2345	.led_off			= &ixgbe_led_off_generic, \
2346	.blink_led_start		= &ixgbe_blink_led_start_X540, \
2347	.blink_led_stop			= &ixgbe_blink_led_stop_X540, \
2348	.set_rar			= &ixgbe_set_rar_generic, \
2349	.clear_rar			= &ixgbe_clear_rar_generic, \
2350	.set_vmdq			= &ixgbe_set_vmdq_generic, \
2351	.set_vmdq_san_mac		= &ixgbe_set_vmdq_san_mac_generic, \
2352	.clear_vmdq			= &ixgbe_clear_vmdq_generic, \
2353	.init_rx_addrs			= &ixgbe_init_rx_addrs_generic, \
2354	.update_mc_addr_list		= &ixgbe_update_mc_addr_list_generic, \
2355	.enable_mc			= &ixgbe_enable_mc_generic, \
2356	.disable_mc			= &ixgbe_disable_mc_generic, \
2357	.clear_vfta			= &ixgbe_clear_vfta_generic, \
2358	.set_vfta			= &ixgbe_set_vfta_generic, \
2359	.fc_enable			= &ixgbe_fc_enable_generic, \
2360	.set_fw_drv_ver			= &ixgbe_set_fw_drv_ver_generic, \
2361	.init_uta_tables		= &ixgbe_init_uta_tables_generic, \
2362	.set_mac_anti_spoofing		= &ixgbe_set_mac_anti_spoofing, \
2363	.set_vlan_anti_spoofing		= &ixgbe_set_vlan_anti_spoofing, \
2364	.set_source_address_pruning	= \
2365				&ixgbe_set_source_address_pruning_X550, \
2366	.set_ethertype_anti_spoofing	= \
2367				&ixgbe_set_ethertype_anti_spoofing_X550, \
2368	.disable_rx_buff		= &ixgbe_disable_rx_buff_generic, \
2369	.enable_rx_buff			= &ixgbe_enable_rx_buff_generic, \
2370	.get_thermal_sensor_data	= NULL, \
2371	.init_thermal_sensor_thresh	= NULL, \
2372	.prot_autoc_read		= &prot_autoc_read_generic, \
2373	.prot_autoc_write		= &prot_autoc_write_generic, \
2374	.enable_rx			= &ixgbe_enable_rx_generic, \
2375	.disable_rx			= &ixgbe_disable_rx_x550, \
2376
2377static struct ixgbe_mac_operations mac_ops_X550 = {
2378	X550_COMMON_MAC
2379	.reset_hw		= &ixgbe_reset_hw_X540,
2380	.get_media_type		= &ixgbe_get_media_type_X540,
2381	.get_san_mac_addr	= &ixgbe_get_san_mac_addr_generic,
2382	.get_wwn_prefix		= &ixgbe_get_wwn_prefix_generic,
2383	.setup_link		= &ixgbe_setup_mac_link_X540,
2384	.get_link_capabilities	= &ixgbe_get_copper_link_capabilities_generic,
2385	.get_bus_info		= &ixgbe_get_bus_info_generic,
2386	.setup_sfp		= NULL,
2387	.acquire_swfw_sync	= &ixgbe_acquire_swfw_sync_X540,
2388	.release_swfw_sync	= &ixgbe_release_swfw_sync_X540,
2389};
2390
2391static struct ixgbe_mac_operations mac_ops_X550EM_x = {
2392	X550_COMMON_MAC
2393	.reset_hw		= &ixgbe_reset_hw_X550em,
2394	.get_media_type		= &ixgbe_get_media_type_X550em,
2395	.get_san_mac_addr	= NULL,
2396	.get_wwn_prefix		= NULL,
2397	.setup_link		= NULL, /* defined later */
2398	.get_link_capabilities	= &ixgbe_get_link_capabilities_X550em,
2399	.get_bus_info		= &ixgbe_get_bus_info_X550em,
2400	.setup_sfp		= ixgbe_setup_sfp_modules_X550em,
2401	.acquire_swfw_sync	= &ixgbe_acquire_swfw_sync_X550em,
2402	.release_swfw_sync	= &ixgbe_release_swfw_sync_X550em,
2403};
2404
2405#define X550_COMMON_EEP \
2406	.read			= &ixgbe_read_ee_hostif_X550, \
2407	.read_buffer		= &ixgbe_read_ee_hostif_buffer_X550, \
2408	.write			= &ixgbe_write_ee_hostif_X550, \
2409	.write_buffer		= &ixgbe_write_ee_hostif_buffer_X550, \
2410	.validate_checksum	= &ixgbe_validate_eeprom_checksum_X550, \
2411	.update_checksum	= &ixgbe_update_eeprom_checksum_X550, \
2412	.calc_checksum		= &ixgbe_calc_eeprom_checksum_X550, \
2413
2414static struct ixgbe_eeprom_operations eeprom_ops_X550 = {
2415	X550_COMMON_EEP
2416	.init_params		= &ixgbe_init_eeprom_params_X550,
2417};
2418
2419static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = {
2420	X550_COMMON_EEP
2421	.init_params		= &ixgbe_init_eeprom_params_X540,
2422};
2423
2424#define X550_COMMON_PHY	\
2425	.identify_sfp		= &ixgbe_identify_module_generic, \
2426	.reset			= NULL, \
2427	.setup_link_speed	= &ixgbe_setup_phy_link_speed_generic, \
2428	.read_i2c_byte		= &ixgbe_read_i2c_byte_generic, \
2429	.write_i2c_byte		= &ixgbe_write_i2c_byte_generic, \
2430	.read_i2c_sff8472	= &ixgbe_read_i2c_sff8472_generic, \
2431	.read_i2c_eeprom	= &ixgbe_read_i2c_eeprom_generic, \
2432	.write_i2c_eeprom	= &ixgbe_write_i2c_eeprom_generic, \
2433	.read_reg		= &ixgbe_read_phy_reg_generic, \
2434	.write_reg		= &ixgbe_write_phy_reg_generic, \
2435	.setup_link		= &ixgbe_setup_phy_link_generic, \
2436	.set_phy_power		= NULL, \
2437	.check_overtemp		= &ixgbe_tn_check_overtemp, \
2438	.get_firmware_version	= &ixgbe_get_phy_firmware_version_generic,
2439
2440static struct ixgbe_phy_operations phy_ops_X550 = {
2441	X550_COMMON_PHY
2442	.init			= NULL,
2443	.identify		= &ixgbe_identify_phy_generic,
2444};
2445
2446static struct ixgbe_phy_operations phy_ops_X550EM_x = {
2447	X550_COMMON_PHY
2448	.init			= &ixgbe_init_phy_ops_X550em,
2449	.identify		= &ixgbe_identify_phy_x550em,
2450	.read_i2c_combined	= &ixgbe_read_i2c_combined_generic,
2451	.write_i2c_combined	= &ixgbe_write_i2c_combined_generic,
2452	.read_i2c_combined_unlocked = &ixgbe_read_i2c_combined_generic_unlocked,
2453	.write_i2c_combined_unlocked =
2454				     &ixgbe_write_i2c_combined_generic_unlocked,
2455};
2456
2457static const u32 ixgbe_mvals_X550[IXGBE_MVALS_IDX_LIMIT] = {
2458	IXGBE_MVALS_INIT(X550)
2459};
2460
2461static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = {
2462	IXGBE_MVALS_INIT(X550EM_x)
2463};
2464
2465struct ixgbe_info ixgbe_X550_info = {
2466	.mac			= ixgbe_mac_X550,
2467	.get_invariants		= &ixgbe_get_invariants_X540,
2468	.mac_ops		= &mac_ops_X550,
2469	.eeprom_ops		= &eeprom_ops_X550,
2470	.phy_ops		= &phy_ops_X550,
2471	.mbx_ops		= &mbx_ops_generic,
2472	.mvals			= ixgbe_mvals_X550,
2473};
2474
2475struct ixgbe_info ixgbe_X550EM_x_info = {
2476	.mac			= ixgbe_mac_X550EM_x,
2477	.get_invariants		= &ixgbe_get_invariants_X550_x,
2478	.mac_ops		= &mac_ops_X550EM_x,
2479	.eeprom_ops		= &eeprom_ops_X550EM_x,
2480	.phy_ops		= &phy_ops_X550EM_x,
2481	.mbx_ops		= &mbx_ops_generic,
2482	.mvals			= ixgbe_mvals_X550EM_x,
2483};
2484